ngā purongo

Ko te whakakaha muka karāhe, e kiia ana hoki ko te whakakaha GFRP, he momo rauemi hiato hou. He tokomaha te hunga kāore i te tino mōhio he aha te rerekētanga i waenganui i tēnei me te whakakaha maitai noa, ā, he aha tātou me whakamahi ai i te whakakaha muka karāhe? Ka whakamāramahia e te tuhinga e whai ake nei ngā painga me ngā ngoikoretanga o te whakakaha muka karāhe me te maitai noa, ā, i muri i te whakatairite, tirohia mēnā ka taea e te whakakaha muka karāhe te whakakapi i te maitai noa?

He aha te meamukakarāherauemi whakapakari
Hei rauemi hanganga hou, he nui te whakamahinga o te whakakaha muka karāhe i roto i ngā kauhanga raro whenua (whakangungu), ngā huarahi tere, ngā piriti, ngā taunga rererangi, ngā tauranga, ngā teihana, ngā kaupapa tiaki wai, ngā kaupapa raro whenua me ētahi atu mara, ā, ka taea te urutau ki ngā taiao waikura pēnei i ngā tipu maimoatanga paru, ngā tipu matū, ngā tāke hiko, ngā taupoki poka wai, me ngā kaupapa tiaki moana. Ka taea e te whakakaha muka karāhe te whakaoti i ngā raruraru maha i roto i te hangarau, te whakakī i ngā ngoikoretanga o te maitai tuku iho, me te kawe mai i ngā whai wāhitanga whanaketanga hou ki te hangarau ā-iwi me te hanga.

Ngā painga me ngā ngoikoretanga o te maitai noa memukakarāhewhakapakari
1, he kaha te kawe kawenga, he kaha te kume, he rua te kaha o te pae i te diameter o te rebar, engari ko te taumaha he 1/4 noa iho o te pae maitai;
2, Aratau rapa pumau, tata ki te 1/3 ~ 2/5 o te pae maitai;
3, te whakamarumaru hiko me te whakamahana, he tata ake te tauwehenga whakawhānui wera ki te sima i te maitai;
4, ātete pai ki te waikura, e tika ana mō te whakamahi i roto i ngā taiao waikura mākū, pērā i te tiaki wai, ngā piriti, ngā tauranga me ngā kauhanga;
5, he iti te kaha kutikuti, ko te kaha kutikuti whakakaha muka karāhe noa he 50 ~ 60MPa anake, ā, he tino pai ngā āhuatanga tapahi.

He rite tonu te mahi a te maitai, he pai te piri o te raima, engari he kaha kume teitei, he iti te kaha kutikuti, ā, ka taea te tapahi tika mā te mīhini whakangungu rakau hiato, me te kore e pakaru te taputapu.

Te rerekētanga i waenga i te whakakaha muka karāhe me te whakakaha maitai
1, mō te wā hanga, ki te whakaritea ki ngā pae rino noa, ka whakaritea te whakakaha muka karāhe e te kaihanga, nā te mea kāore e taea te tukatuka i te papaanga, nō reira me whakahaere tika te rahi, ina he te rauemi hē ka whakaroa i te wā hanga. Ka whakaritea tika tōna āhua, ka whakaitihia ngā mahi tukatuka o ngā pae rino noa, ā, mā te tikanga here ka whakakapia te tukanga whakarewa, ka penapena i te wā whakaputa o te whare herehere pae.
2, Mō te uauatanga o te hanga, he rerekē rawa te ātete piko me te ātete kutikuti o te whakakaha muka karāhe i ērā o ngā pae rino noa, ā, he mama ake te kounga, nō reira kāore i te tino pumau i te whare rino noa i te wā e hiki ana te whare, e whakaheke ana te whare me te ringihia, he ngāwari ki te kitea he whare wetekina, he whare piri, he whare mānu me ētahi atu āhuatanga motuhake, me aro nui ki te hanga me te hiki i te whare.
3, Mō te haumaru o te hanga, ki te whakarite ki te tikanga hanga o te pakaru wāhanga, te pakaru katoa rānei o te pakitara tonu o te whare whakakaha i te pito o te whakangungu rakau, ka taea e te mīhini whakangungu rakau te uru tika ki te pakitara tonu o te whare karāhe muka karāhe, ka karohia ai ngā āhuatanga kino o te paru, te wai me te onepu e pupuhi ana, ka penapena i te utu o te pakaru o te pakitara tonu, ā, ka whakaitihia hoki te parahanga o te puehu me te haruru.
4, i runga i te ōhanga, ki te whakaritea ki te maitai noa, he mama ake te whakakaha muka karāhe, ka whakaiti i te utu o te whare herehere, ā, i te wa ano, nā te nui ake o te whare herehere muka karāhe, ka whakaitihia te whānui o te pakitara diaphragm, ka penapena i te maha o ngā kurupae-I o te pakitara diaphragm, te paipa raka rānei, ā, ka penapena i te utu.

Ngā Āhuatanga omukawhakakaha karaihe
1, kaha kume teitei: he pai ake te kaha kume o te whakakaha muka karāhe i te maitai noa, he teitei ake i te 20% o te maitai whakatakotoranga kotahi, ā, he pai te ātete ki te ngenge.
2, taumaha māmā: ko te taumaha o te whakakaha muka karāhe he 1/4 noa iho o te rahinga rite o te maitai, ā, ko te matotoru kei waenga i te 1.5 me te 1.9 (g/cm3).
3, ātete waikura kaha: ka taea e te ātete ki te waikawa me te kawakore me ētahi atu matū te ātete ki te waikura o ngā katote pūhaumāota me ngā otinga pH iti, inā koa te kaha ake o te waikura o ngā pūhui waro me ngā pūhui māota.
4, He kaha te here o ngā rauemi: he tata ake te tauwehenga o te whakawhānui wera o te whakakaha muka karāhe ki te sima i te maitai, nā te mea he kaha ake te whakakaha muka karāhe i te pupuri here o te raima.
5, he kaha te hoahoa: he pumau te modulus rapa o te whakakaha muka karāhe, he pumau te rahi i raro i te ahotea wera, ka taea te piko me ētahi atu āhua kia hangaia kia wera noa, he pai te mahi haumaru, he kore-whakahaere wera, he kore-whakahaere, he ātete mura, he kore-patū, nā te whakarerekētanga tauira me te tukinga whakarewa e kore e puta he mura.
6, he kaha te uruhanga ki ngā ngaru aukume: he rauemi kore-aukume te whakakaha muka karāhe, kāore e hiahiatia he maimoatanga tango-aukume i roto i ngā wāhanga raima kore-aukume, hiko-hiko rānei.
7, he hanganga watea: ka taea te hanga whakakaha muka karāhe kia rite ki ngā hiahia o te kaiwhakamahi mō ngā momo wāhanga whakawhiti me ngā roa rerekē o ngā wāhanga paerewa me ngā wāhanga kore-paerewa, he rīpene whakapūmau kore-whakarewa e herea ana i runga i te pae, he mahi ngāwari.

Ko te whakataki i runga ake nei ko ngā painga me ngā ngoikoretanga o te whakakaha muka karāhe me te maitai noa, ko te whakakaha muka karāhe hei rauemi hanganga hou, he mea whakamahi whānuitia i roto i ngā kauhanga raro whenua (whakangungu), ngā huarahi tere, ngā piriti, ngā taunga rererangi, ngā tauranga, ngā teihana, ngā kaupapa tiaki wai, ngā mahi hangarau raro whenua me ētahi atu mara, ka taea te urutau ki ngā tipu maimoatanga paru, ngā tipu matū, ngā tāke hiko, ngā taupoki poka wai, ngā kaupapa tiaki moana me ētahi atu taiao waikura.